The Ethereum network will be undergoing a scheduled upgrade at block number 9,069,000. Therefore, The deposit and withdrawal of NASH and ERC20 Tokens (including RO) will be suspended at 18:00(UTC + 8) on December 6,2019. It will be reopened after the upgrade is completed and we will be announced separately.
(Tentative time is around the afternoon of December 7)
During the upgrade period, players can initiate withdrawal applications as usual, but the on-chain operation will only happen after the upgrade.
For details of ETH upgrade, please refer to the link: https://blog.ethereum.org/2019/11/20/ethereum-istanbul-upgrade-announcement/